CVE-2026-66890
Use of Hard-coded Credentials in Digital Watchdog VMAX DVR and NVR Product Lineups
The affected products use hard-coded credentials, which could allow remote access to files with root privileges where FTP is reachable.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Use of Hard-coded Credentials in Digital Watchdog VMAX DVR and NVR Product Lineups
The affected products use hard-coded credentials, which could allow remote access to files with root privileges where FTP is reachable.
- Record
CVE-2026-66890- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2026-79947
The affected products use hard-coded credentials, which could allow remote access to files with root privileges where FTP is reachable.
- Record
EUVD-2026-79947- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-49rh-f5gr-c32x
The affected products use hard-coded credentials, which could allow remote access to files with...
The affected products use hard-coded credentials, which could allow remote access to files with root privileges where FTP is reachable.
- Record
GHSA-49rh-f5gr-c32x- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
NVD
The affected products use hard-coded credentials, which could allow remote access to files with root privileges where FTP is reachable.
- Record
CVE-2026-66890- CVSS 4.0
- 9.4 Critical
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-66890 is a critical vulnerability (CVSS 9.4) in Digital Watchdog Va1g4 Recorder, published September 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.